<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>属性选择器</title>
    <style>
        div[class=name] {
            color: red;
        }

        div[class=pwd] {
            background-color: yellow;
            color: red
        }
    </style>
</head>

<body>
    <div class="name">name</div>
    <div class="pwd">pwd</div>
</body>

</html>